/***************************************************************************
 *   Copyright (C) 2010 by Oleg Goncharov  *
 *   $EMAIL$                           *                          
 *                                                                         *
 *   This file is part of ChessVision.                                     *
 *                                                                         *
 *   ChessVision is free software; you can redistribute it and/or modify   *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#include <opencv/cv.h>

#include "cpointmaxcolor.h"

bool CPointMaxColor::DetectPoint(IplImage * img, cv::Point2f & point) {
	IplImage * src = cvCreateImage(cvGetSize(img), IPL_DEPTH_8U, 3);
	IplImage * grey = cvCreateImage(cvGetSize(img), IPL_DEPTH_8U, 1);
	CvPoint min_loc;
	double min, max;
	
	cvAbsDiffS(img, src, color);
	cvCvtColor( src, grey, CV_BGR2GRAY);
	
	cvMinMaxLoc(grey, &min, &max, &min_loc, 0);
	point.x = min_loc.x; point.y = min_loc.y;
	
	cvReleaseImage(&src);	
	cvReleaseImage(&grey);
	if (max < therehold) return false;
	else return true;
}
